Front portion of a watercraft



FIG. 1 is a front, top, left perspective view showing a front portion of a watercraft according to my design shown on a watercraft shown in dotted lines;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a front elevation view thereof; and,

FIG. 5 is a top plan view thereof.

Throughout the Figures, where shown: (i) the dotted lines showing additional structure of the front portion of a watercraft and the watercraft on which it is shown are for illustrative purposes only and form no part of the claimed design; and (ii) the unshaded surfaces do not form part of the claimed design. 

The ornamental design for a front portion of a watercraft, as shown and described. 